GBR and Soft-Tissue Augmentation Following Explantation to Rehabilitate a Soft- and Hard-Tissue Defect
It is sometimes necessary to remove and replace compromised implants. This case is a clear example of the need for multiple steps to achieve an optimal therapeutic result for patients with non-salvageable implants. It illustrates how the lost soft and hard tissues were rebuilt in a sequence that improved the healing of the hard tissues and assured their long-term stability. The 35-year-old healthy patient presented with clinical attachment loss on the proximal and lingual surfaces of the natural dentition. Some gingival recession was present on natural teeth, particularly in the posterior sextants (S1, S3, S4, and S6).
General information
Case Type | |
---|---|
Jaw | Maxilla |
Area | Anterior|Posterior |
# of Teeth | 2 |
# of Implants | 1 |
Type of Implants | One-Piece |
Attachment | One-Piece |
Bone Augmentation | Horizontal|Staged|Vertical |
---|---|
Augmentation Materials | Autogenous chips|Autogenous block(s)|Xenogenous |
Guided Surgery | No |
Soft Tissue Grafting | Staged |
Abutment Type | CAD/CAM |
Prosthesis Type | FDP |
Esthetic Risk Assessment
Esthetic Risk Factors | Low | Medium | High |
---|---|---|---|
Medical Status | Healthy | Compromised | |
Smoking Habit | Non-smoker | Light smoker (< 10 cigarettes per day) | Heavy smoker (>= 10 cigarettes per day) |
Patient's Esthetic Expectations | Low | Medium | High |
Lip Line | No exposure of papillae | Exposure of papillae | Full exposure of mucosa margin |
Periodontal Phenotype | Low-scalloped, thick | Medium-scalloped, medium-thick | High-scalloped, thin |
Shape of Tooth Crowns | Rectangular | Triangular | |
Infection at Implant Site | None | Chronic | Acute |
Bone Level at Adjacent Teeth | <= 5 mm to contact point | 5.5 to 6.5 mm to contact point | > 7 mm to contact point |
Prosthodontic Status of Neighboring Teeth | Virgin | Restored | |
Width of Edentulous Span | 1 tooth (>= 7 mm) | 1 tooth (< 7 mm) | 2 teeth or more |
Soft Tissue Anatomy | Intact | Defective | |
Bone Volume | Horizontally and vertically sufficient | Horizontally deficient | Deficient vertically or deficient vertically AND horizontally |
* General SAC assessment modifiers that are also part of the ERA. To avoid redundancy they are listed in this section even if no complete ERA has been made.
** Not applicable to the ERA of immediate placement cases and replaced by "Socket Integrity" listed below under "Surgical SAC Classification". For all other placement types this value is a classification determinant and listed here even if no complete ERA has been made.
Surgical SAC classification
SAC Level | Complex |
---|---|
Defining Characteristics | Up to three missing teeth to be replaced with an implant-borne prosthesis or prostheses |
Modality | Modality |
Placement Protocol | Early or late implant placement |
Tooth Site | Tooth site |
Socket Morphology | Socket morphology |
Socket Integrity | Socket integrity |
Bone Volume | Deficient vertically or deficient vertically AND horizontally |
Anatomic Risk | High |
Esthetic Risk | High |
Complexity | High |
Risk of Complications | High |
Prosthodontic SAC classification
SAC Level | Complex |
---|---|
Defining Characteristics | Up to three missing teeth to be replaced with an implant-borne restoration or restorations |
Loading Protocol | Conventional or early |
Retention | - |
Maxillomandibular Relationship | - |
Mesio-Distal Space | Anatomic space corresponding to the missing teeth +/- 1 mm |
Inter-Arch Distance | - |
Bruxism | - |
Esthetic Risk | High |
Provisional Implant-Supported Prosthesis | - |
Interim Prosthesis during Healing | - |
Occlusion/Articulation | - |
Occlusal Scheme/Issues | - |
Surgical SAC Modifiers
Periodontal Status | History of periodontitis or genetic predisposition |
---|
Prosthodontic SAC Modifiers
Soft Tissue Contour and Volume | Significantly deficient |
---|
General SAC Modifiers
Oral Hygiene and Compliance | Insufficient |
---|---|
Access | Adequate |
Craniofacial/Skeletal Growth | Completed |
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